Ultrasonic amplifier



FIG. 1 is a perspective view of an embodiment of an ultrasonic amplifier showing a new design;

FIG. 2 is a front view of the ultrasonic amplifier of FIG. 1;

FIG. 3 is a rear or back view of the ultrasonic amplifier of FIG. 1;

FIG. 4 is a right side elevation view of the ultrasonic amplifier of FIG. 1;

FIG. 5 is a left side elevation view of the ultrasonic amplifier of FIG. 1;

FIG. 6 is a top view of the ultrasonic amplifier of FIG. 1; and,

FIG. 7 is a bottom view of the ultrasonic amplifier of FIG. 1. 

The ornamental design for an ultrasonic amplifier, as shown and described. 